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DunhamBushWater-CooledScrollChillerWCSSeries

AzmanAbdullah

WaterCooledChillerswithScrollCompressorsWCSWaterCooledChillerswithScrollCompressorsCapacityRange:12–53Tons8Models:WCS12,17,20,25,30,35,40,50ScrollCompressorsOperatingat2950RPMR407cWCSWCS12,17,20and25DesignWCS35,40&50DesignWCSLownoise,achieves63dBA(SPL)at1meterawayinfreefieldconditionsSmallfootprint–max94.5”Lengthx35”Depthx60”HeightFortwotandemcompressorunits,capacitystepreductionisaslowas25%.HighEnergyEfficiency–EER15.5(0.77kW/ton)**AtARIConditionFeaturesWCSHighefficiencyDurability/ReliabilityEnhancementBetterLiquidHandlingBetterDebrisHandlingLowSoundLevelSmoothSpectrumandGoodSoundQualityUnloadedStartScrollCompressorWCSDunham-BushPatentedInner-fintubeCoolerEvaporatorEvaporatorConstructedinaccordancetoASMESectionVIIIDiv1.Coolerinsulatedwith1”thickPEfoamWCS-INNERFIN?

Tube

Coldrefrigerantgasflowsalongthealuminumfinsurfaceinsidetubes,warmliquid(water)flowsacrossthetubes

ExtendedsurfacegiveshigherheattransferefficiencyConstructedwithoutercoppertubeandinneraluminumtube,withspiralaluminumfininsertedinbetweentheouter&innertubesExcellentefficiencyTruecounterflowWCS-INNERFIN?CoolerAchieve4to5°FapproachtemperatureWCSShellandTubetypeRemovableheadsfortubecleaningHeadsareinterchangeableforsiteconnectionflexibilityCondenserCondenserWCSConstructedinaccordancetoASMESectionVIIIDiv1PressurereliefvalveApprovalStampavailablefromJKKP(Malaysia),ChinaStateBureauofQualityandTechnicalSupervision(China),PEDandASME.CondenserWCSDualcircuitsdesignallowingonecircuittobeshutoffwhenoperatingbelow50%loadEnsureoilreturntocompressorduringpart-loadIndividualTXV,solenoidvalve,moistureindicatorandfilterdrierareprovidedforeachcircuitsBetterredundancywithtwoindependentcircuitsDualRefrigerantCircuitsWCS–ElectricalControlReliablemicroprocessorbasedcontrollerwithelectro-mechanicalsystem.CapacityiscontrolledbycompressorstagingSafetyprotectionCompressorthermaloverloadrelayHi/lowpressureswitchesCompressorlinebreakinternalmotorprotectorUVRisoptionalProjectsPolyPlasticKuantanLGVietnamWCS-HPWater-CooledHeatPumpMac2013WatertoWaterHeatPumpApplicationUsedinindustrialplant,institutionalbuildings,hoteletc.Makeusetheheatsourcewaterthathas“wasteheat”init.Thiswasteenergycanbecapturedandrecycledbymeansofheatpump.Usedtoproducehotwaterforshowers,kitchenandlaundryinhotelapplication.Thereturnchilledwaterfromtheair-conditioningsystemcanbeusedastheheatsource.Boththehotwaterandchilledwaterproducedbyheatpumparebeingused.

80to200kWR407CorR134aTandemscrollcompressorWatertoWaterHeatPumpPACSMaxhotw

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